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8

FREQUENCYBANDCENTERSOFTHESANDSAREMARKEDATRDOFANOCTAVEINTERVALS

on ISO standard spacings, while the frequency band centers of the 215s are marked at 

RDSOFANOCTAVEINTERVALSON)3/STANDARDSPACINGS

Low Cut Enable Switch

The LOW-CUT switch inserts or removes the 12 dB per octave 50 Hz low-cut filter from 
the signal path. When the LOW-CUT switch is pushed in, the LOW-CUT filter is IN the 
audio path.

 Section 3 - Connecting the EQ to Your System

The 2-Series Equalizers have balanced inputs and impedance balanced outputs that can 

be used with any balanced or unbalanced line-level device. 

To connect the equalizer to your sound system refer to the following steps:

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        Install the EQ in a rack with the rack screws provided. It can be mounted above 

or below anything that does not generate excessive heat. Ambient temperatures 

should not exceed 113° F (45°C) when equipment is in use. Although the unit’s 

chassis is shielded against radio frequency and electromagnetic interference, 

extremely high fields of RF and EMI should be avoided.

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        Both types of connectors for the inputs and outputs can be used for balanced or 

unbalanced connections. The use of more than one connector at a time for the 

inputs could unbalance balanced lines, cause phase cancellation, short a conduc-

tor to ground, or cause damage to other equipment connected to the equalizer. 

More than one output may be used simultaneously as long as the combined paral-

lel load is greater than 2 k

7

.

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        Connect the AC power cord to the AC power receptacle on the back of the equal-

izer. Route the AC power cord to a convenient power outlet away from audio lines.  

User Manual

2-Series 

Summary of Contents for 131s Graphic EQ

Page 1: ...User Manual 2 Series Graphic Equalizers 131s 215s 231s Professional Audio Equipment...

Page 2: ...NG FOR YOUR PROTECTION READ THE FOLLOWING KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASH ING LIQUID AND NO OBJECT FILLED WIT...

Page 3: ...E MAY BE SUF FIXED BY THE 5 Product option None conforms to the following Product Specifications 3AFETY MD EMC 0ART Supplementary Information The product herewith complies with the requirements of the...

Page 4: ...s and operation procedures For further technical assistance or service please contact our Technical Support Department at 801 568 7660 or visit www dbxpro com If you need to return a product to the fa...

Page 5: ...t provided the product is returned to dbx WITH RETURN AUTHORIZATION from the factory where all parts and labor will be covered up to a period of two years A Return Authorization number must first be o...

Page 6: ...mpromising your sound The 2 Series Equalizers include the following features s S NE BAND OCTAVE ONSTANT 1 FREQUENCY BANDS S 4WO BAND OCTAVE ONSTANT 1 FREQUENCY BANDS S 4WO BAND OCTAVE ONSTANT 1 FREQUE...

Page 7: ...IGHTS WHEN THE D RANGE IS SELECTED Output Level Bar Graph These four LEDs indicate output level of the equalizer The red LED is 3 dB below clip ping and is marked as 18 dBu It monitors the level at th...

Page 8: ...ures should not exceed 113 F 45 C when equipment is in use Although the unit s chassis is shielded against radio frequency and electromagnetic interference extremely high fields of RF and EMI should b...

Page 9: ...ED FOR INPUT CONNECTIONS FEMALE LOCKING 8 2 TYPE CONNECTORS AND TIP RING SLEEVE PHONE JACK CONNECTORS 4HE MAXIMUM INPUT level that the equalizer can accept is typically 22 dBu ref 0 775Vrms Section 5...

Page 10: ...qualizers are useful audio signal processing tools in situations where precise frequency control is required across the audible frequency spectrum When used with an audio spectrum analyzer the EQs can...

Page 11: ...K Z D REQUENCY 2ESPONSE Z TO K Z D YNAMIC 2ANGE 4YPICALLY D 3IGNAL TO OISE 4YPICALLY D 4 OISE NTERCHANNEL ROSSTALK D Z TO K Z Function Switches EQ Bypass Bypasses the graphic equalizer section in the...

Page 12: ...3OUTH 3ANDY 0ARKWAY s 3ANDY 5TAH 0HONE s AX NT L AX MAIL US AT CUSTOMER DBXPRO COM OR VISIT US on the web at WWW DBXPRO COM s WWW DRIVERACK COM Printed in China 18 0804V A...

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